256477073370704 has 20 divisors (see below), whose sum is σ = 496924849059840. Its totient is φ = 128238402645600.

The previous prime is 256477073370701. The next prime is 256477073370743. The reversal of 256477073370704 is 407073370774652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256477073370701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8430257 + ... + 24166575.

It is an arithmetic number, because the mean of its divisors is an integer number (24846242452992).

Almost surely, 2^{256477073370704} is an apocalyptic number.

It is an amenable number.

256477073370704 is a deficient number, since it is larger than the sum of its proper divisors (240447775689136).

256477073370704 is a wasteful number, since it uses less digits than its factorization.

256477073370704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754978 (or 16754972 counting only the distinct ones).

The product of its (nonzero) digits is 145212480, while the sum is 62.

The spelling of 256477073370704 in words is "two hundred fifty-six trillion, four hundred seventy-seven billion, seventy-three million, three hundred seventy thousand, seven hundred four".